Gas Dynamic Action of Annular Blowing on the Aerodynamic Factors of the Resonance Vibration Excitation of Rotor Blades in a Compressor Stage

Gas Dynamic Action of Annular Blowing on the Aerodynamic Factors of the Resonance Vibration Excitation of Rotor Blades in a Compressor Stage

The paper presents the results of a study of the effect of annular blowing ahead of the rotor wheel of an axial compressor stage on the forced vibration excitation of rotor blades. It has been shown that annular blowing smooths the flow velocity field behind the axial compressor stage and reduces th...

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Veröffentlicht in:Strength of materials 2018-03, Vol.50 (2), p.317-322
Hauptverfasser: Tereshchenko, Yu. M., Doroshenko, E. V., Tereshchenko, Yu. Yu, Gumenyuk, P. V.
Format: Artikel
Sprache:eng
Schlagworte:
Axial stress
Blowing
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Excitation
Flow velocity
Forced vibration
Materials Science
Rotor blades
Rotor blades (turbomachinery)
Solid Mechanics
Turbocompressors
Velocity distribution
Vibration (Physics)
Vibratory stresses
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Beschreibung
Zusammenfassung:The paper presents the results of a study of the effect of annular blowing ahead of the rotor wheel of an axial compressor stage on the forced vibration excitation of rotor blades. It has been shown that annular blowing smooths the flow velocity field behind the axial compressor stage and reduces the level of vibratory stresses in the root section of the rotor blades.
ISSN:0039-2316
1573-9325
DOI:10.1007/s11223-018-9974-9